abstract algebra - Prove that 1+1=2 - Mathematics Stack Exchange
Jan 15, 2013 · Possible Duplicate: How do I convince someone that $1+1=2$ may not necessarily be true? I once read that some mathematicians provided a very length proof of $1+1=2$. Can …
logic - Is 1+1 =2 a theorem? - Mathematics Stack Exchange
A theorem is defined to be a mathematical statement that is proven to be true. The statement $1+1=2$ has definitely been proven in the history of mankind (Russel and Whitehead had …
1+1=2: Is There a Proof or Acceptance? - Physics Forums
Dec 29, 2004 · The discussion centers on whether there is a formal proof for the equation 1+1=2 or if it is simply accepted as a definition. Participants reference Giuseppe Peano's axioms and …
Is 1+1=2 true by definition - Philosophy Stack Exchange
Nov 20, 2013 · We see here that 1+1=2 is true in this interpretation, as a consequence of two axioms and the two definitions 1=S (0) and 2=S (S (0)). Because there were two axioms …
proof writing - How would I mathematically prove that 1+1=2 ...
Jan 22, 2020 · Everyone knows that 1+1=2, but how would one mathematically prove that this equation is true? Or can you?
Proving 1+1=2 - Mathematically Explained - Physics Forums
Sep 13, 2006 · My teacher once told me that 1+1=2 is provable, mathematically. True enough it can be done after i google it, but why is there a need to prove it so tediously, i can do it with …
How do I convince someone that $1+1=2$ may not necessarily be …
Just a note: you can find examples in the nature where (in some sense) $1+1=2$ fails, for example: counting humans as ones, Husband+Wife$=2$ for first, but it may be well possible …
What would happen if suddenly, 1+1=2 is disproved?
May 28, 2018 · 1+1=2 is a necessary truth---roughly, a statement that is true in every possible world. Your question, thus, is asking for true counterfactual conditionals with impossible …
How would one be able to prove mathematically that $1+1 = 2$?
Is it possible to prove that $1+1 = 2$? Or rather, how would one prove this algebraically or mathematically?
A rigorous mathematical proof of $1+1=2$. [duplicate]
Our school teacher just asked us to write the best possible proof of $1+1=2$. First thought he was joking but he was very serious about this question. I could not even try an attempt.